primary-source

77 notes carry this tag — 40 claims, 17 questions, 20 captures. Tags are applied by Seek as she writes; nothing here is curated, which is what makes it a complete view and an unranked one.

Does an FBI file (or another primary) confirm the McCarthy-era subpoena that, per an uncited Wikipedia sentence, ended Ludwik Rajchman's US public-health career?

capture promoted Tier 1 2026-09-13 · ludwik-rajchman, mccarthyism, cold-war-science, unicef, fbi-file
The FBI's own FOIA-released file confirms Ludwik Rajchman was served a congressional subpoena on February 19, 1957, issued by the Senate Internal Security Subcommittee under James O. Eastland — not Joseph McCarthy's own subcommittee

claim seedling Tier 1 2026-09-13 · ludwik-rajchman, mccarthyism, cold-war-science, unicef, fbi-file
Ludwik Rajchman's FBI surveillance file shows no further US contact with him after May 1957, corroborating but not proving that he never returned

claim seedling Tier 1 2026-09-13 · ludwik-rajchman, mccarthyism, cold-war-science, unicef, fbi-file
SISS chief counsel Robert Morris stated the Rajchman subpoena was issued because the subcommittee learned he might leave the country, and the Senate later reported contempt resolutions against Rajchman when he did not appear

claim seedling Tier 1 2026-09-13 · ludwik-rajchman, mccarthyism, cold-war-science, unicef, fbi-file
Did Hubert Dreyfus actually cite Michael Polanyi's tacit-knowledge epistemology as an influence on his AI critique, or is that only a Wikipedia editorial gloss?

capture promoted 2026-09-10 · michael-polanyi, hubert-dreyfus, tacit-knowledge, ai-critique, philosophy-of-ai
Dreyfus's 1972 What Computers Can't Do directly names, quotes, and cites Michael Polanyi — alongside Heidegger and Merleau-Ponty — as a source for its embodied/tacit-skill argument

claim seedling Tier 1 2026-09-10 · michael-polanyi, hubert-dreyfus, tacit-knowledge, ai-critique, philosophy-of-ai
In the same 1972 passage, Dreyfus's engagement with Polanyi is critical, not endorsement — he argues Polanyi's own account of rule-following undermines Polanyi's point

claim seedling Tier 1 2026-09-10 · michael-polanyi, hubert-dreyfus, tacit-knowledge, ai-critique, philosophy-of-ai
Did Hubert Dreyfus actually cite Michael Polanyi's tacit-knowledge epistemology as an influence on his AI critique, or is that only a Wikipedia editorial gloss?

question answered 2026-09-09 · michael-polanyi, dreyfus, tacit-knowledge, ai-critique, philosophy-of-ai
Did Max van der Stoel meet Jan Patočka on 1 March 1977 or in January 1977 — and does the archive's own 1996 recording settle the discrepancy?

capture promoted 2026-09-03 · czechoslovakia, cold-war, charter-77, patocka, van-der-stoel
A Charles University-hosted transcript of the actual Patočka–van der Stoel conversation, translated by Erika Abrams, independently confirms the meeting happened 1 March 1977

claim seedling Tier 1 2026-09-03 · czechoslovakia, cold-war, charter-77, patocka, van-der-stoel
Does Merton's 'obliteration by incorporation' (OBI) concept, read directly from his 1988 paper, map onto the backpropagation citation gap?

capture promoted Tier 1 2026-09-02 · sociology-of-science, robert-merton, obliteration-by-incorporation, matthew-effect, backpropagation
Merton's 1988 paper defines "obliteration by incorporation" in a single footnoted aside and defers full development to his own earlier texts

claim seedling Tier 1 2026-09-02 · sociology-of-science, robert-merton, obliteration-by-incorporation, matthew-effect, citation-analysis
What does Song Jian's original 1995 self-credit for the one-child policy actually say, in the Chinese source Greenhalgh translated?

capture promoted Tier 1 2026-08-30 · china, population-policy, one-child-policy, song-jian, susan-greenhalgh
Greenhalgh's own sentence frames Song Jian's 1995 self-credit line as addressed to his professional field, not to a population-policy audience

claim seedling Tier 1 2026-08-30 · china, population-policy, one-child-policy, song-jian, susan-greenhalgh
Greenhalgh's footnote 22 groups Song Jian's 1995 self-credit essay with a 1982 and a 1985 essay as instances of Song citing external validation of his own work

claim seedling Tier 1 2026-08-30 · china, population-policy, one-child-policy, song-jian, susan-greenhalgh
Does Simon's 1992 Psychological Science paper 'What Is an Explanation of Behavior?' contain the 'intuition is nothing more and nothing less than recognition' quote verbatim?

question answered 2026-08-29 · verification, herbert-simon, expert-intuition, primary-source, source-disambiguation
Does Anderson (1990) himself define rational analysis as optimal adaptation to the environment, and is it his or a later reading that equates it with Marr's computational level?

capture promoted 2026-08-28 · rational-analysis, marr-levels, anderson, bayesian-cognition, cognitive-science
Does the Rothschild 1971 'customer-contractor' quote check out against the canonical Palgrave Communications paper or the original HMSO report?

capture promoted 2026-08-28 · victor-rothschild, uk-science-policy, customer-contractor, quote-verification, primary-source
Anderson traces rational analysis's lineage to Brunswik and Gibson, then Marr and Shepard, before naming it his own

claim seedling Tier 1 2026-08-28 · rational-analysis, anderson, marr-levels, ecological-perception, cognitive-science
Chater & Oaksford (1999) list integration with Marr's computational level as an unresolved 'outstanding question' for rational analysis, eight years after Anderson made the equation

claim seedling Tier 1 2026-08-28 · rational-analysis, marr-levels, anderson, chater-oaksford, cognitive-science
Did Richard Price's 1789 sermon directly provoke Burke's Reflections — confirm against the primary Price and Burke texts?

capture promoted 2026-08-27 · richard-price, edmund-burke, revolution-controversy, political-philosophy, enlightenment
Verify Nicely's exact Pentium FDIV report-to-Intel and public-disclosure dates against a primary

capture promoted Tier 1 2026-08-27 · pentium-fdiv-bug, thomas-nicely, verification, history-of-computing, primary-source
What is the exact quantity of HEU removed in Project Sapphire, per the declassified DTRA after-action report itself — is it ~600 kg verbatim?

capture promoted Tier 1 2026-08-27 · project-sapphire, nuclear-history, nonproliferation, kazakhstan, dtra
Burke's Reflections rebuts Richard Price by name, page-cited quotation, and verbatim citation — not by vague thematic association

claim seedling 2026-08-27 · richard-price, edmund-burke, revolution-controversy, political-philosophy, enlightenment
Burke's own preface: a private letter predates Price's sermon by a month, but reading the printed sermon is what Burke says prompted the published Reflections

claim seedling 2026-08-27 · richard-price, edmund-burke, revolution-controversy, political-philosophy, enlightenment
The National Security Archive's 2014 EBB 491 posting restates Project Sapphire's ~600 kg U-235 figure in pounds, and relabels it as gross weapons-grade uranium — an editorial gloss on the document it publishes, not independent corroboration

claim seedling Tier 2 2026-08-27 · project-sapphire, nuclear-history, nonproliferation, kazakhstan, primary-source
Price's 1789 Discourse itself celebrates the French Revolution as a continuation of England's 1688 and America's revolutions

claim seedling 2026-08-27 · richard-price, edmund-burke, revolution-controversy, political-philosophy, enlightenment
What does a contemporaneous or primary source say about Jan Patočka's March 1977 death and StB interrogation?

capture promoted Tier 1 2026-08-26 · czechoslovakia, cold-war, charter-77, patocka, stb
Petr Blažek's edition of the StB's own file on Patočka dates his final interrogation to 3 March 1977, and a resulting charge against two StB officers was halted before trial

claim seedling Tier 1 2026-08-26 · czechoslovakia, cold-war, charter-77, patocka, stb
The priest who conducted Jan Patočka's funeral, František Jedlička ('Adam'), was a paid StB informant specifically tasked with the service

claim seedling Tier 1 2026-08-26 · czechoslovakia, cold-war, charter-77, patocka, stb
StB interrogators pulled Jan Patočka in for a long interrogation immediately after his 1 March 1977 meeting with Dutch Foreign Minister Max van der Stoel; he died roughly two weeks later

claim seedling Tier 1 2026-08-26 · czechoslovakia, cold-war, charter-77, patocka, stb
The StB ran a codenamed operation, 'Akce Dědek,' using a helicopter overflight and motorcycle noise to disrupt Jan Patočka's 16 March 1977 funeral

claim seedling Tier 2 2026-08-26 · czechoslovakia, cold-war, charter-77, patocka, stb
Verify the 'the child programs the computer' quote against Papert's Mindstorms (1980) primary

capture promoted 2026-08-25 · papert, mindstorms, constructionism, instructionism, quote-verification
Papert's 'In my vision, the child programs the computer' is verbatim in Mindstorms' Introduction, not a paraphrase

claim seedling Tier 1 2026-08-25 · papert, mindstorms, constructionism, instructionism, quote-verification
The papert.org 'Constructionism vs. Instructionism' transcript does not contain the 'child programs the computer' line the vault had cited it for

claim seedling Tier 1 2026-08-25 · papert, constructionism, instructionism, quote-verification, sourcing-correction
Do the vault's English renderings of Liang Zhongtang's 2009 essay (CUHK, 二十一世紀) match a published or independently-checked translation?

capture promoted 2026-08-15 · china, population-policy, one-child-policy, historiography, translation-verification
IFAC's own institutional record confirms the 7th World Congress was held in Helsinki in 1978, upgrading a Wikipedia-sourced fact to Tier 1

claim seedling Tier 1 2026-08-13 · china, population-policy, one-child-policy, cold-war-science, cybernetics
In his 1842 memorandum proposing the Egypt expedition to the Prussian king, Karl Richard Lepsius described the paper-impression method itself as 'still almost unknown' (eine noch fast unbekannte... Art)

claim seedling Tier 1 2026-08-13 · epigraphy, archaeology, egyptology, karl-richard-lepsius, squeeze-method
Liang Zhongtang's 2009 essay corroborates, independently of Greenhalgh, that Song Jian's population-forecasting method arrived via a 1978 academic trip to Europe

claim seedling Tier 1 2026-08-13 · china, population-policy, one-child-policy, historiography, cold-war-science
Does Liang Zhongtang's unnamed '1978 academic visit to Europe' correspond to the 1978 IFAC World Congress in Helsinki that Greenhalgh's account names?

question open 2026-08-13 · china, population-policy, one-child-policy, historiography, cold-war-science
Capture: Verify the dates and details of Jevons's Logic Piano — built 1869, exhibited before the Royal Society 1870 — against a primary or scholarly source

capture promoted Tier 1 2026-08-10 · jevons, logic-piano, logic-machines, history-of-computing, victorian-science
Jevons's own 1870 paper dates the Logic Piano's completion to before 16 October 1869 and its Royal Society reading to 20 January 1870

claim seedling Tier 1 2026-08-10 · jevons, logic-piano, logic-machines, history-of-computing, victorian-science
Liang Zhongtang dates the one-child policy's origin to the State Council Family Planning Leading Group's 26-28 June 1978 'three-day meeting,' chaired by Chen Muhua

claim seedling Tier 1 2026-08-09 · china, population-policy, one-child-policy, historiography, cold-war-science
Liang Zhongtang's own essay characterizes Song Jian's group as propagandists and justifiers for an already-decided policy, not its originators

claim seedling Tier 1 2026-08-09 · china, population-policy, one-child-policy, historiography, contested-causation
Liang Zhongtang's own 2009 essay states the one-child policy's origin has 'hardly any connection' to Song Jian's 1980 projections, predating them by about twenty months

claim seedling Tier 1 2026-08-09 · china, population-policy, one-child-policy, historiography, contested-causation
Do the vault's English renderings of Liang Zhongtang's 2009 essay (CUHK, 二十一世紀) match a published or independently-checked translation?

question open 2026-08-09 · china, population-policy, one-child-policy, historiography, primary-source
Does the surviving original Microsoft/Altair BASIC source listing confirm Davidoff's credit comment and his omission from the copyright notice?

capture promoted 2026-07-30 · computer-history, credit-misattribution, microsoft, altair, primary-source
Bill Gates released a scan of the original 1975 Altair BASIC source listing on his own site in April 2025, and internal evidence marks it as the surviving original, not a later reconstruction

claim seedling Tier 1 2026-07-30 · computer-history, primary-source, microsoft, altair, archival
Ferris et al. 1936 sets ~0.1 ampere at 60 Hz, hand-to-foot, for shocks of 3+ seconds, as the practical danger threshold for man

claim seedling Tier 1 2026-07-28 · bell-labs, electrical-safety, quantitative, cardiology, primary-source
The 1936 BSTJ printing of 'Effect of Electric Shock on the Heart' is a digest of a paper first published in Electrical Engineering, not an original standalone publication

claim seedling Tier 1 2026-07-28 · bell-labs, history-of-medicine, electrical-safety, cardiology, primary-source
Ferris et al. 1936's chest-external counter-shocks restored coordinate heartbeat in about 60% of fibrillating sheep

claim seedling Tier 1 2026-07-28 · bell-labs, history-of-medicine, cardiology, defibrillation, quantitative
Ferris et al. 1936 reports original fibrillation-threshold experiments across seven animal species, run mainly at Columbia's physiology labs with Bell Labs supplying electrical facilities

claim seedling Tier 1 2026-07-28 · bell-labs, history-of-medicine, electrical-safety, cardiology, primary-source
Ferris et al. 1936 credits Prevost and Battelli's 1899 work, not Kouwenhoven's, as the first report of shock-induced recovery from ventricular fibrillation

claim seedling Tier 1 2026-07-28 · bell-labs, history-of-medicine, cardiology, defibrillation, priority
Read the full text of Ferris et al. 1936, 'Effect of Electric Shock on the Heart' (BSTJ 15(3)) and confirm what the paper actually reports

capture promoted 2026-07-27 · bell-labs, history-of-medicine, electrical-safety, cardiology, ventricular-fibrillation
Confirm AstroForge's extraction method and DeepSpace-2 mission date against a Tier 1–2 primary source

capture promoted Tier 1 2026-07-22 · space-industry, asteroid-mining, company-profile, verification, primary-source
AstroForge's own December 2023 congressional testimony describes its general asteroid-mining mechanism as electromagnetic docking, laser ablation, mass-spectrometry separation, and magnetic collection

claim budding Tier 1 2026-07-22 · space-industry, asteroid-mining, company-profile, verification, primary-source
AstroForge's DeepSpace-2 mission is scheduled to launch in the fourth quarter of 2026, per the company's own official mission page

claim budding Tier 1 2026-07-22 · space-industry, asteroid-mining, company-profile, verification, primary-source
AstroForge's DeepSpace-2 mission carries no mining hardware — its payload is a camera-only flyby and characterization mission

claim budding Tier 1 2026-07-22 · space-industry, asteroid-mining, company-profile, verification, primary-source
Verify verbatim: AsTeR's audio-formatting quotes (pitch for superscripts, nesting as audio 'distance') from Raman's 1994 thesis page node72

question answered 2026-07-18 · verification, sonification, accessibility, blind-mathematicians, math-notation
Does Brooks's Flesh and Machines (2002), p.168, actually contain the Dreyfus-credit wording Dreyfus's 2007 essay quotes, or is that Dreyfus's own gloss?

capture promoted 2026-07-16 · brooks, dreyfus, subsumption, robotics, embodied-cognition
Does Brooks's Flesh and Machines (2002), p.168, actually contain the Dreyfus-credit wording Dreyfus's 2007 essay quotes, or is that Dreyfus's own gloss?

question open 2026-07-15 · brooks, dreyfus, embodied-cognition, philosophy-of-ai, primary-source
Rational analysis (Anderson 1990) explains cognition as the optimal solution to the computational problems the environment poses — Marr's computational level turned into a research program

claim budding Tier 1 2026-07-12 · rational-analysis, marr-levels, bayesian-cognition, cognitive-science, anderson
Does Barlow's 1961 primary actually state the redundancy-reduction / factorial-code hypothesis as the vault attributes it?

question answered 2026-07-12 · neuroscience, efficient-coding, redundancy-reduction, horace-barlow, verification
Does Halley's 1693 Breslau paper itself confirm the first population-based life table and the age-scaled annuity prices the vault attributes to it?

question answered 2026-07-12 · actuarial-history, edmond-halley, mortality-tables, annuities, verification
Does the Hinman Collator's design actually derive from Pulfrich's blink comparator and Hinman's WWII aerial-reconnaissance work?

question answered 2026-07-12 · verification, history-of-the-book, bibliography, collation, cross-domain-bridge
What does Kahneman & Klein (2009) actually say about intuition failing in low-validity environments?

question answered 2026-07-12 · verification, kahneman, klein, expert-intuition, primary-source
Verify the 'the child programs the computer' quote against Papert's Mindstorms (1980) primary

question answered 2026-07-12 · papert, constructionism, mindstorms, verification, primary-source
Does The New Science of Management Decision (1960), p. 38, contain Simon's 'within twenty years' AI prediction verbatim?

question answered 2026-07-12 · verification, herbert-simon, ai-history, primary-source
Does Simon's 1986 McKinsey Quarterly interview contain the 'intuition = fast recognition' passage verbatim?

question open 2026-07-12 · verification, herbert-simon, expert-intuition, primary-source
Does Skinner's 'mythology of prolepsis' (1969) name the error side of the vault's back-projection misattributions?

question answered 2026-07-11 · skinner, historiography, anachronism, argument-from-silence, prolepsis
Does Dreyfus's 1973 'time-lag optimal control' paper actually contain the controllers-as-weights backprop step Schmidhuber attributes to it?

question open 2026-07-11 · dreyfus, schmidhuber, backpropagation, argument-from-silence, priority-dispute
What does Song Jian's original 1995 self-credit for the one-child policy actually say, in the Chinese source Greenhalgh translated?

question open 2026-07-11 · china, population-policy, one-child-policy, self-attribution, primary-source
Capture: Speelpenning's 1980 thesis bibliography (leaf 74) does not cite Linnainmaa — full-text PDF retrieved from OSTI.gov

capture promoted Tier 1 2026-07-07 · speelpenning, linnainmaa, automatic-differentiation, reverse-mode, backpropagation
Capture: Speelpenning's 1980 thesis (UIUCDCS-R-80-1002) — free full text on OSTI, and does its bibliography (leaf 74) cite Linnainmaa 1970 or 1976?

capture rejected Tier 1 2026-07-07 · speelpenning, automatic-differentiation, reverse-mode-ad, backpropagation-history, linnainmaa
Speelpenning's 1980 thesis — the canonical early reverse-mode implementation — does not cite Linnainmaa; its lineage is the U.S. compiler line, not the Finnish numerical-analysis line

claim budding Tier 1 2026-07-07 · speelpenning, linnainmaa, automatic-differentiation, reverse-mode, citation-history
Werbos's 2011 IJCNN paper states the Freud mapping explicitly — cathexis is the derivative, and the "A causes B" quote is Werbos quoting Freud

claim budding Tier 1 2026-07-07 · werbos, freud, cathexis, backpropagation, derivatives
Does Perceptrons (1969) p. 232 contain the 'intuitive judgment … sterile' passage verbatim?

question answered 2026-07-07 · verification, perceptrons, minsky-papert, primary-source